Japan Flora: Un­armed shrub, the branches rather stout, densely velvety- puberulent while young, the fertile branchlets short; leaves broadly deltoid-ovate, 5-7 cm. long, 4-6 cm. wide, acute to short-acuminate, truncate to cordate at base, 3- to 5-cleft or -lobed, coarsely and irregularly toothed, short-puberulent on both sides especially on nerves beneath; flowers solitary, the pedicels 1-2 cm. long, nodding above, densely velvety-puber- ulent; calyx-lobes ovate-oblong, mucronate, densely puberulent inside; petals ovate-orbicular, spreading, about 15 mm. in di­ameter; fruit globose, the fruitlets nearly glabrous. Dec.-Apr. Near seashores in warmer regions.

Honshu (Pacific side), Shikoku, Kyushu.